Abstract: The invention relates to a gas-lubricated mechanical seal arrangement (1) comprising a first mechanical seal (2) having a first rotating slide ring (21) and a first slide ring (22) defining a first sealing gap (23) between sealing surfaces (21a, 22a), the first slide ring (22) having a passageway (25) for supplying a barrier fluid to the first sealing gap (23), wherein the passageway (25) extends from a rear surface (22b) to the sliding surface (22a) of the first stationary slide ring (22), and wherein on the first rotating slide ring (21) a first secondary seal (4) for sealing and a centering device (5) for centering of the first rotating slide ring (21) are arranged.

Abstract: The invention relates to a mechanical seal arrangement (1) comprising a mechanical seal (2) having a rotating seal ring (3) with a first sealing surface (3a) and a stationary seal ring (4) with a second sealing surface (4a), a pre-tensioning device (6), to pre-tension one of the two sliding rings in the axial direction (X-X), a secondary sealing member (7) disposed on a rear side (40) of the axially pre-tensioned sliding ring, the pre-tensioning device (6) pre-tensioning the axially pre-tensioned sliding ring via the secondary sealing member (7), and a sleeve (8), which is arranged radially inside the secondary sealing member (7), the secondary sealing member (7) being arranged on the rear side (40) of the axially pre-tensioned sliding ring, the secondary sealing member (7) having a sealing edge (70) which is closed in an annular shape in the circumferential direction which projects from the secondary sealing member (7) in the axial direction (X-X) to the axially pre-tensioned sliding ring, wherein the sealin

Abstract: The invention relates to a gas-lubricated mechanical seal arrangement using a gaseous fluid as a barrier medium, comprising a mechanical seal comprising a rotating slide ring (2) and a stationary slide ring (3) defining a seal gap (4) therebetween, a biasing means (5) biasing the stationary slide ring (3) towards the rotating slide ring (2), a fluid space (6), into which the gaseous fluid can be introduced, a first slide ring carrier (20) for retaining the rotating slide ring (2), the first slide ring carrier (20) having a first axial surface (21), a second slide ring carrier (30) for retaining the stationary slide ring (3), the second slide ring carrier (30) having a second axial surface (31), the second slide ring (30) and the stationary slide ring (3) being arranged together on a displacement surface (32) so as to be displaceable in the axial direction (X-X), an axial gap (7), which is limited by the first axial surface (21) and the second axial surface (31), and an antechamber (8) which is formed at the s

Abstract: The invention relates to a gas-lubricated mechanical seal arrangement (1) comprising a first mechanical seal (2) having a first rotating slide ring (21) and a first slide ring (22) defining a first sealing gap (23) between sealing surfaces (21a, 22a), the first slide ring (22) having a passageway (25) for supplying a barrier fluid to the first sealing gap (23), wherein the passageway (25) extends from a rear surface (22b) to the sliding surface (22a) of the first stationary slide ring (22), and wherein on the first rotating slide ring (21) a first secondary seal (4) for sealing and a centering device (5) for centering of the first rotating slide ring (21) are arranged.

Abstract: The invention relates to a gas-lubricated mechanical seal arrangement using a gaseous fluid as a barrier medium, comprising a mechanical seal comprising a rotating slide ring (2) and a stationary slide ring (3) defining a seal gap (4) therebetween, a biasing means (5) biasing the stationary slide ring (3) towards the rotating slide ring (2), a fluid space (6), into which the gaseous fluid can be introduced, a first slide ring carrier (20) for retaining the rotating slide ring (2), the first slide ring carrier (20) having a first axial surface (21), a second slide ring carrier (30) for retaining the stationary slide ring (3), the second slide ring carrier (30) having a second axial surface (31), the second slide ring (30) and the stationary slide ring (3) being arranged together on a displacement surface (32) so as to be displaceable in the axial direction (X-X), an axial gap (7), which is limited by the first axial surface (21) and the second axial surface (31), and an antechamber (8) which is formed at the s

Abstract: The invention refers to a mechanical seal arrangement, comprising: a rotatable seal ring (2), a stationary seal ring (3) and a secondary seal device (5), said secondary seal device (5) being made in one piece and comprising a secondary seal (51) and a ring element (52) of different materials, and the ring element (52) being arranged on the secondary seal (51) on a side directed to the stationary seal ring (3).

Abstract: The invention relates to a mechanical seal assembly for sealing between a high pressure region and a low pressure region, comprising: a stationary seal ring connected to a stationary component, a rotating seal ring connected to a rotating component, a divided power absorption ring arranged at the rotating component, and a compensation ring unit comprising a first ring, a second ring and a third ring, wherein the first ring and the second ring have a higher strength than the third ring, and wherein the compensation ring unit is arranged in the force path between the high pressure region and the divided power absorption ring.

Abstract: A slide ring seal arrangement including a rotating slide ring (2), a static slide ring (3) and a preload device for preloading at least one of the slide rings, wherein the preload device includes a spring washer (7) with a basic body (70), with at least one spring bar (71) and with at least one engagement region (72) provided on the end of the spring bar (71), wherein the spring bars (71) run in the circumferential direction of the spring washer (7), and wherein the engagement region (72) is in engagement with a recess (30) provided on the slide ring in order to exert on the slide ring a preload force (F) acting in the axial direction (X-X).

Abstract: A slide ring seal arrangement comprises a rotationally fixed slide ring (4) and a slide ring (11), which is provided for rotating together with a rotating component, these slide rings each being held in a loose seat and interacting, in, in essence, radially oriented sealing surfaces, which are prestressed with a main prestressing force while in contact with one another. Each slide ring, on its front face that faces away from the sealing surface, is axially supported on a supporting part (14, 17) via an annular bearing surface (16, 20) provided between the respective supporting part and the adjacent front face of the respective slide ring. A load ratio (d12?dH2)/(d12?d22) of =2.0, preferably between 0.8 and 2.0, preferably no greater than between 1.0 and 1.5, more preferably approximately 1.3 is maintained on the bearing surface (16, 20). The measurement (d1?d2) of each bearing surface (16, 20) is equal to =10 mm, preferably between 0.2 and 2.0, preferably no more than approximately 0.6 mm.

Abstract: The invention relates to a mechanical seal assembly for sealing between a high pressure region (21) and a low pressure region (22), comprising: a stationary seal ring (4) connected to a stationary component (6), a rotating seal ring (3) connected to a rotating component (2), a divided power absorption ring (7) arranged at the rotating component (2), and a compensation ring unit (10) comprising a first ring (11), a second ring (12) and a third ring (13), wherein the first ring (11) and the second ring (12) have a higher strength than the third ring (13), and wherein the compensation ring unit (10) is arranged in the power flow between the high pressure region (21) and the divided power absorption ring (7).

Abstract: The invention relates to a slide ring seal arrangement comprising: a first stationary slide ring (2) having a first slide surface (2a), a second rotating slide ring (3) having a second slide surface (3a), wherein the rotating slide ring (3) rotates together with a rotating component (10) and wherein the slide surfaces (2a, 3a) of the slide rings (2, 3) are disposed opposite of each other and define a sealing gap (4) between each other, a dynamic secondary seal (13) that is arranged on a side (2b) of the stationary slide ring (2) facing away from the sealing gap (4) and seals a housing sealing region (12), a pretensioning device (7) that applies a pretension in the axial direction onto the stationary slide ring (2), and a filter element (14; 24) that has a substantially ring shape and is arranged in the radial direction further from a rotational axis (X-X) than the housing sealing region (12), in order to prevent dirt particles from depositing on the secondary seal (13) or on the housing sealing region (12).

Abstract: A slide ring seal arrangement comprises a rotationally fixed slide ring (4) and a slide ring (11), which is provided for rotating together with a rotating component, these slide rings each being held in a loose seat and interacting, in, in essence, radially oriented sealing surfaces, which are prestressed with a main prestressing force while in contact with one another. Each slide ring, on its front face that faces away from the sealing surface, is axially supported on a supporting part (14, 17) via an annular bearing surface (16, 20) provided between the respective supporting part and the adjacent front face of the respective slide ring. A load ratio (d12?dH2)/(d12?d22) of =2.0, preferably between 0.8 and 2.0, preferably no greater than between 1.0 and 1.5, more preferably approximately 1.3 is maintained on the bearing surface (16, 20). The measurement (d1?d2) of each bearing surface (16, 20) is equal to =10 mm, preferably between 0.2 and 2.0, preferably no more than approximately 0.6 mm.